[INFO] cloning repository attaca/attaca
[INFO] running `"git" "clone" "--bare" "git://github.com/attaca/attaca.git" "work/cache/sources/gh/attaca/attaca"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/attaca/attaca'...
[INFO] running `"git" "clone" "work/cache/sources/gh/attaca/attaca" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/attaca/attaca"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/attaca/attaca'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/attaca/attaca" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/attaca/attaca"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/attaca/attaca'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 865df52c16599c50b33e86dbbff115eae772f94a
[INFO] sha for GitHub repo attaca/attaca: 865df52c16599c50b33e86dbbff115eae772f94a
[INFO] validating manifest of attaca/attaca on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of attaca/attaca on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing attaca/attaca
[INFO] removed workspace from attaca/attaca
[INFO] finished frobbing attaca/attaca
[INFO] frobbed toml for attaca/attaca written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/attaca/attaca/Cargo.toml
[INFO] started frobbing attaca/attaca
[INFO] removed workspace from attaca/attaca
[INFO] finished frobbing attaca/attaca
[INFO] frobbed toml for attaca/attaca written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/attaca/attaca/Cargo.toml
[INFO] crate attaca/attaca already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/attaca/attaca/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded im v9.0.0
[INFO] [stderr]   Downloaded ntriple v0.1.1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking attaca/attaca against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/attaca/attaca:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9dc6c8b11316c02b6dc3eaa91a11ff496ed7c1c746b42f7c43659d7f34b84bfb
[INFO] running `"docker" "start" "-a" "9dc6c8b11316c02b6dc3eaa91a11ff496ed7c1c746b42f7c43659d7f34b84bfb"`
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]    Compiling ntriple v0.1.1
[INFO] [stderr]    Compiling im v9.0.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking proptest v0.5.1
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling futures-await-async-macro v0.1.4
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking futures-await v0.1.1
[INFO] [stderr] error[E0599]: no method named `resume` found for type `T` in the current scope
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-await-0.1.1/src/lib.rs:120:35
[INFO] [stderr]     |
[INFO] [stderr] 120 |             match unsafe { self.0.resume() } {
[INFO] [stderr]     |                                   ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `resume`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::ops::Generator`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `resume` found for type `T` in the current scope
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-await-0.1.1/src/lib.rs:140:37
[INFO] [stderr]     |
[INFO] [stderr] 140 |             match unsafe { self.gen.resume() } {
[INFO] [stderr]     |                                     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `resume`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::ops::Generator`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `futures-await`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9dc6c8b11316c02b6dc3eaa91a11ff496ed7c1c746b42f7c43659d7f34b84bfb"`
[INFO] running `"docker" "rm" "-f" "9dc6c8b11316c02b6dc3eaa91a11ff496ed7c1c746b42f7c43659d7f34b84bfb"`
[INFO] [stdout] 9dc6c8b11316c02b6dc3eaa91a11ff496ed7c1c746b42f7c43659d7f34b84bfb